./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:36,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:36,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 21:57:36,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:36,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:36,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:36,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:36,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:36,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:57:36,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:57:36,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:36,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:36,201 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:36,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:36,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:57:36,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:57:36,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:36,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:57:36,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:36,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:57:36,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:57:36,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:57:36,211 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 21:57:36,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:36,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:57:36,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:57:36,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:36,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:36,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:36,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:36,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:57:36,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:36,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:36,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:57:36,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:57:36,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:36,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:57:36,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:57:36,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:57:36,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:57:36,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:57:36,236 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 [2024-10-31 21:57:36,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:36,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:36,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:36,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:36,632 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:36,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c Unable to find full path for "g++" [2024-10-31 21:57:38,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:39,023 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:39,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-10-31 21:57:39,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/data/b2cff6006/34e03369b18245abab90e10a0f95db85/FLAG4a1cf97dd [2024-10-31 21:57:39,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/data/b2cff6006/34e03369b18245abab90e10a0f95db85 [2024-10-31 21:57:39,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:39,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:39,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:39,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:39,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:39,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc5ccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39, skipping insertion in model container [2024-10-31 21:57:39,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:39,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:39,417 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:39,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:39,491 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:39,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39 WrapperNode [2024-10-31 21:57:39,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:39,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:39,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:39,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:39,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,541 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-10-31 21:57:39,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:39,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:39,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:39,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:39,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:39,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:39,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:39,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:39,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (1/1) ... [2024-10-31 21:57:39,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:39,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:39,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:57:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 21:57:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 21:57:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 21:57:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 21:57:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 21:57:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 21:57:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:57:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 21:57:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:57:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 21:57:39,667 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:57:39,807 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:39,810 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:40,497 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:57:40,498 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:40,522 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:40,522 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 21:57:40,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:40 BoogieIcfgContainer [2024-10-31 21:57:40,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:40,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:57:40,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:57:40,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:57:40,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:57:39" (1/3) ... [2024-10-31 21:57:40,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b325e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:40, skipping insertion in model container [2024-10-31 21:57:40,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:39" (2/3) ... [2024-10-31 21:57:40,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b325e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:40, skipping insertion in model container [2024-10-31 21:57:40,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:40" (3/3) ... [2024-10-31 21:57:40,534 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-10-31 21:57:40,551 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:57:40,551 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-10-31 21:57:40,551 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:57:40,703 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 21:57:40,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 339 transitions, 699 flow [2024-10-31 21:57:40,931 INFO L124 PetriNetUnfolderBase]: 17/336 cut-off events. [2024-10-31 21:57:40,931 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 21:57:40,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 336 events. 17/336 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 702 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 251. Up to 2 conditions per place. [2024-10-31 21:57:40,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 339 transitions, 699 flow [2024-10-31 21:57:40,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 311 places, 316 transitions, 650 flow [2024-10-31 21:57:40,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:40,987 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@747b6d24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:40,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-10-31 21:57:40,995 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:40,995 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-31 21:57:40,995 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:57:40,996 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:40,996 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:40,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:41,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:41,003 INFO L85 PathProgramCache]: Analyzing trace with hash -808695391, now seen corresponding path program 1 times [2024-10-31 21:57:41,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:41,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129370032] [2024-10-31 21:57:41,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:41,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:41,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129370032] [2024-10-31 21:57:41,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129370032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:41,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:41,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:41,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697580301] [2024-10-31 21:57:41,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:41,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:41,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:41,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:41,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:41,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-10-31 21:57:41,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 316 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:41,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:41,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-10-31 21:57:41,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:41,569 INFO L124 PetriNetUnfolderBase]: 28/613 cut-off events. [2024-10-31 21:57:41,569 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-10-31 21:57:41,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 613 events. 28/613 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2696 event pairs, 7 based on Foata normal form. 16/524 useless extension candidates. Maximal degree in co-relation 439. Up to 31 conditions per place. [2024-10-31 21:57:41,581 INFO L140 encePairwiseOnDemand]: 329/339 looper letters, 13 selfloop transitions, 2 changer transitions 3/308 dead transitions. [2024-10-31 21:57:41,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 664 flow [2024-10-31 21:57:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-10-31 21:57:41,604 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-10-31 21:57:41,610 INFO L175 Difference]: Start difference. First operand has 311 places, 316 transitions, 650 flow. Second operand 3 states and 962 transitions. [2024-10-31 21:57:41,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 664 flow [2024-10-31 21:57:41,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 652 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 21:57:41,628 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 620 flow [2024-10-31 21:57:41,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2024-10-31 21:57:41,637 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -5 predicate places. [2024-10-31 21:57:41,637 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 620 flow [2024-10-31 21:57:41,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:41,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:41,638 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:41,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:57:41,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:41,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1436395452, now seen corresponding path program 1 times [2024-10-31 21:57:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385316396] [2024-10-31 21:57:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:41,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:41,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385316396] [2024-10-31 21:57:41,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385316396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:41,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:41,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:41,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065732412] [2024-10-31 21:57:41,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:41,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:41,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:41,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:41,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:41,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-10-31 21:57:41,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:41,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:41,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-10-31 21:57:41,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:41,943 INFO L124 PetriNetUnfolderBase]: 19/455 cut-off events. [2024-10-31 21:57:41,944 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:41,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 455 events. 19/455 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1753 event pairs, 5 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 462. Up to 27 conditions per place. [2024-10-31 21:57:41,952 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-10-31 21:57:41,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 304 transitions, 648 flow [2024-10-31 21:57:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:41,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-31 21:57:41,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2024-10-31 21:57:41,956 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-10-31 21:57:41,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 304 transitions, 648 flow [2024-10-31 21:57:41,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 304 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:41,966 INFO L231 Difference]: Finished difference. Result has 302 places, 304 transitions, 618 flow [2024-10-31 21:57:41,967 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=302, PETRI_TRANSITIONS=304} [2024-10-31 21:57:41,968 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -9 predicate places. [2024-10-31 21:57:41,968 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 304 transitions, 618 flow [2024-10-31 21:57:41,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:41,969 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:41,969 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:41,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:57:41,970 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:41,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:41,973 INFO L85 PathProgramCache]: Analyzing trace with hash 2079329439, now seen corresponding path program 1 times [2024-10-31 21:57:41,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:41,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037716552] [2024-10-31 21:57:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:41,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:42,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037716552] [2024-10-31 21:57:42,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037716552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:42,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:42,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:42,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095304470] [2024-10-31 21:57:42,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:42,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:42,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:42,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:42,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:42,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-10-31 21:57:42,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 304 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:42,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:42,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-10-31 21:57:42,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:42,268 INFO L124 PetriNetUnfolderBase]: 34/596 cut-off events. [2024-10-31 21:57:42,268 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 21:57:42,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 596 events. 34/596 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2844 event pairs, 12 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 616. Up to 46 conditions per place. [2024-10-31 21:57:42,279 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/300 dead transitions. [2024-10-31 21:57:42,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 300 transitions, 640 flow [2024-10-31 21:57:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-10-31 21:57:42,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-10-31 21:57:42,283 INFO L175 Difference]: Start difference. First operand has 302 places, 304 transitions, 618 flow. Second operand 3 states and 952 transitions. [2024-10-31 21:57:42,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 300 transitions, 640 flow [2024-10-31 21:57:42,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 300 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:42,290 INFO L231 Difference]: Finished difference. Result has 298 places, 300 transitions, 608 flow [2024-10-31 21:57:42,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=298, PETRI_TRANSITIONS=300} [2024-10-31 21:57:42,292 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -13 predicate places. [2024-10-31 21:57:42,293 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 300 transitions, 608 flow [2024-10-31 21:57:42,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:42,294 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:42,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:42,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:57:42,295 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:42,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:42,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1966449611, now seen corresponding path program 1 times [2024-10-31 21:57:42,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:42,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395704578] [2024-10-31 21:57:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:43,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:43,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395704578] [2024-10-31 21:57:43,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395704578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:43,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:43,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:43,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915529923] [2024-10-31 21:57:43,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:43,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:43,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:43,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:43,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:43,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 339 [2024-10-31 21:57:43,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 300 transitions, 608 flow. Second operand has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:43,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:43,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 339 [2024-10-31 21:57:43,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:45,511 INFO L124 PetriNetUnfolderBase]: 2053/8822 cut-off events. [2024-10-31 21:57:45,512 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-10-31 21:57:45,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11725 conditions, 8822 events. 2053/8822 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 91934 event pairs, 1520 based on Foata normal form. 0/7237 useless extension candidates. Maximal degree in co-relation 11687. Up to 2804 conditions per place. [2024-10-31 21:57:45,617 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 38 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2024-10-31 21:57:45,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 299 transitions, 692 flow [2024-10-31 21:57:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:57:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1760 transitions. [2024-10-31 21:57:45,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652900688298918 [2024-10-31 21:57:45,626 INFO L175 Difference]: Start difference. First operand has 298 places, 300 transitions, 608 flow. Second operand 6 states and 1760 transitions. [2024-10-31 21:57:45,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 299 transitions, 692 flow [2024-10-31 21:57:45,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 299 transitions, 691 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:45,632 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 615 flow [2024-10-31 21:57:45,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2024-10-31 21:57:45,636 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -10 predicate places. [2024-10-31 21:57:45,637 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 615 flow [2024-10-31 21:57:45,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:45,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:45,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:45,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:57:45,640 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:45,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:45,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1424960186, now seen corresponding path program 1 times [2024-10-31 21:57:45,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:45,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519128479] [2024-10-31 21:57:45,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:45,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:45,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519128479] [2024-10-31 21:57:45,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519128479] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:45,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:45,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:45,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31903492] [2024-10-31 21:57:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:45,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:45,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:45,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:45,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:45,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-10-31 21:57:45,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:45,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:45,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-10-31 21:57:45,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:45,945 INFO L124 PetriNetUnfolderBase]: 84/906 cut-off events. [2024-10-31 21:57:45,946 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 21:57:45,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 906 events. 84/906 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5289 event pairs, 56 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1023. Up to 112 conditions per place. [2024-10-31 21:57:45,964 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 15 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-10-31 21:57:45,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 298 transitions, 647 flow [2024-10-31 21:57:45,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:45,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-31 21:57:45,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9351032448377581 [2024-10-31 21:57:45,968 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 615 flow. Second operand 3 states and 951 transitions. [2024-10-31 21:57:45,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 298 transitions, 647 flow [2024-10-31 21:57:45,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 298 transitions, 637 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:57:45,974 INFO L231 Difference]: Finished difference. Result has 297 places, 298 transitions, 607 flow [2024-10-31 21:57:45,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=607, PETRI_PLACES=297, PETRI_TRANSITIONS=298} [2024-10-31 21:57:45,977 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -14 predicate places. [2024-10-31 21:57:45,978 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 298 transitions, 607 flow [2024-10-31 21:57:45,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:45,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:45,981 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:45,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:57:45,981 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:45,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:45,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1920678985, now seen corresponding path program 1 times [2024-10-31 21:57:45,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:45,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304571944] [2024-10-31 21:57:45,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:45,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:46,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:46,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304571944] [2024-10-31 21:57:46,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304571944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:46,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:46,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136806522] [2024-10-31 21:57:46,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:46,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:46,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:46,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:46,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-10-31 21:57:46,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 298 transitions, 607 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:46,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-10-31 21:57:46,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:46,197 INFO L124 PetriNetUnfolderBase]: 17/396 cut-off events. [2024-10-31 21:57:46,198 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:46,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 396 events. 17/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 4 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 395. Up to 24 conditions per place. [2024-10-31 21:57:46,203 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-10-31 21:57:46,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 633 flow [2024-10-31 21:57:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-31 21:57:46,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-10-31 21:57:46,207 INFO L175 Difference]: Start difference. First operand has 297 places, 298 transitions, 607 flow. Second operand 3 states and 957 transitions. [2024-10-31 21:57:46,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 633 flow [2024-10-31 21:57:46,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 297 transitions, 629 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:46,216 INFO L231 Difference]: Finished difference. Result has 296 places, 297 transitions, 605 flow [2024-10-31 21:57:46,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=296, PETRI_TRANSITIONS=297} [2024-10-31 21:57:46,218 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -15 predicate places. [2024-10-31 21:57:46,218 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 297 transitions, 605 flow [2024-10-31 21:57:46,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:46,219 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:46,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:57:46,220 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:46,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash -501053886, now seen corresponding path program 1 times [2024-10-31 21:57:46,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:46,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940387417] [2024-10-31 21:57:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:46,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:46,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:46,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940387417] [2024-10-31 21:57:46,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940387417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:46,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:46,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:46,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801829578] [2024-10-31 21:57:46,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:46,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:46,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:46,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:46,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:46,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-10-31 21:57:46,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 297 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:46,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-10-31 21:57:46,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:46,403 INFO L124 PetriNetUnfolderBase]: 16/410 cut-off events. [2024-10-31 21:57:46,404 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 21:57:46,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 410 events. 16/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1332 event pairs, 4 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 404. Up to 21 conditions per place. [2024-10-31 21:57:46,409 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-10-31 21:57:46,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 296 transitions, 631 flow [2024-10-31 21:57:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-31 21:57:46,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-10-31 21:57:46,413 INFO L175 Difference]: Start difference. First operand has 296 places, 297 transitions, 605 flow. Second operand 3 states and 957 transitions. [2024-10-31 21:57:46,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 296 transitions, 631 flow [2024-10-31 21:57:46,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 296 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:46,419 INFO L231 Difference]: Finished difference. Result has 295 places, 296 transitions, 603 flow [2024-10-31 21:57:46,420 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=603, PETRI_PLACES=295, PETRI_TRANSITIONS=296} [2024-10-31 21:57:46,420 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -16 predicate places. [2024-10-31 21:57:46,421 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 296 transitions, 603 flow [2024-10-31 21:57:46,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:46,422 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:46,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:57:46,422 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:46,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:46,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1492001365, now seen corresponding path program 1 times [2024-10-31 21:57:46,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:46,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925801223] [2024-10-31 21:57:46,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:46,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:46,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:46,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925801223] [2024-10-31 21:57:46,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925801223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:46,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:46,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83595805] [2024-10-31 21:57:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:46,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:46,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-10-31 21:57:46,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 296 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:46,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-10-31 21:57:46,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:46,552 INFO L124 PetriNetUnfolderBase]: 12/303 cut-off events. [2024-10-31 21:57:46,553 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 21:57:46,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 303 events. 12/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 731 event pairs, 4 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 295. Up to 21 conditions per place. [2024-10-31 21:57:46,556 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-10-31 21:57:46,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 295 transitions, 629 flow [2024-10-31 21:57:46,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-31 21:57:46,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-10-31 21:57:46,560 INFO L175 Difference]: Start difference. First operand has 295 places, 296 transitions, 603 flow. Second operand 3 states and 957 transitions. [2024-10-31 21:57:46,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 295 transitions, 629 flow [2024-10-31 21:57:46,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 295 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:46,566 INFO L231 Difference]: Finished difference. Result has 294 places, 295 transitions, 601 flow [2024-10-31 21:57:46,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=294, PETRI_TRANSITIONS=295} [2024-10-31 21:57:46,568 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-10-31 21:57:46,568 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 295 transitions, 601 flow [2024-10-31 21:57:46,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:46,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:46,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:57:46,570 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:46,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:46,571 INFO L85 PathProgramCache]: Analyzing trace with hash -403365518, now seen corresponding path program 1 times [2024-10-31 21:57:46,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:46,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302751314] [2024-10-31 21:57:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:46,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:46,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302751314] [2024-10-31 21:57:46,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302751314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:46,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:46,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:46,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228862308] [2024-10-31 21:57:46,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:46,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:46,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:46,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:46,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:46,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-10-31 21:57:46,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 295 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:46,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-10-31 21:57:46,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:46,835 INFO L124 PetriNetUnfolderBase]: 49/747 cut-off events. [2024-10-31 21:57:46,835 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-31 21:57:46,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 747 events. 49/747 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4076 event pairs, 20 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 776. Up to 56 conditions per place. [2024-10-31 21:57:46,845 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/291 dead transitions. [2024-10-31 21:57:46,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 291 transitions, 623 flow [2024-10-31 21:57:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-10-31 21:57:46,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-10-31 21:57:46,850 INFO L175 Difference]: Start difference. First operand has 294 places, 295 transitions, 601 flow. Second operand 3 states and 952 transitions. [2024-10-31 21:57:46,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 291 transitions, 623 flow [2024-10-31 21:57:46,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 291 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:46,857 INFO L231 Difference]: Finished difference. Result has 290 places, 291 transitions, 591 flow [2024-10-31 21:57:46,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=290, PETRI_TRANSITIONS=291} [2024-10-31 21:57:46,858 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-10-31 21:57:46,858 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 291 transitions, 591 flow [2024-10-31 21:57:46,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:46,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:46,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:57:46,860 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:46,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:46,861 INFO L85 PathProgramCache]: Analyzing trace with hash -80520043, now seen corresponding path program 1 times [2024-10-31 21:57:46,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:46,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66709113] [2024-10-31 21:57:46,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:46,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:46,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:46,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66709113] [2024-10-31 21:57:46,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66709113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:46,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:46,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:46,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821845845] [2024-10-31 21:57:46,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:46,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:46,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:46,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:46,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:46,936 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-10-31 21:57:46,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 291 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:46,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:46,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-10-31 21:57:46,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:47,028 INFO L124 PetriNetUnfolderBase]: 19/388 cut-off events. [2024-10-31 21:57:47,029 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:47,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 388 events. 19/388 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1359 event pairs, 2 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 391. Up to 14 conditions per place. [2024-10-31 21:57:47,034 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-10-31 21:57:47,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 291 transitions, 621 flow [2024-10-31 21:57:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 21:57:47,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-10-31 21:57:47,038 INFO L175 Difference]: Start difference. First operand has 290 places, 291 transitions, 591 flow. Second operand 3 states and 964 transitions. [2024-10-31 21:57:47,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 291 transitions, 621 flow [2024-10-31 21:57:47,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 291 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:47,045 INFO L231 Difference]: Finished difference. Result has 289 places, 289 transitions, 592 flow [2024-10-31 21:57:47,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=289, PETRI_TRANSITIONS=289} [2024-10-31 21:57:47,046 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -22 predicate places. [2024-10-31 21:57:47,047 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 289 transitions, 592 flow [2024-10-31 21:57:47,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:47,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:47,048 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:47,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 21:57:47,048 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:47,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:47,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1137513529, now seen corresponding path program 1 times [2024-10-31 21:57:47,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:47,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693234288] [2024-10-31 21:57:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:47,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:47,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693234288] [2024-10-31 21:57:47,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693234288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:47,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:47,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:47,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541710831] [2024-10-31 21:57:47,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:47,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:47,131 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-10-31 21:57:47,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 289 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:47,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:47,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-10-31 21:57:47,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:47,805 INFO L124 PetriNetUnfolderBase]: 460/3169 cut-off events. [2024-10-31 21:57:47,806 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-10-31 21:57:47,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3819 conditions, 3169 events. 460/3169 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 28112 event pairs, 172 based on Foata normal form. 0/2737 useless extension candidates. Maximal degree in co-relation 3781. Up to 577 conditions per place. [2024-10-31 21:57:47,844 INFO L140 encePairwiseOnDemand]: 330/339 looper letters, 24 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-10-31 21:57:47,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 655 flow [2024-10-31 21:57:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2024-10-31 21:57:47,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9321533923303835 [2024-10-31 21:57:47,848 INFO L175 Difference]: Start difference. First operand has 289 places, 289 transitions, 592 flow. Second operand 3 states and 948 transitions. [2024-10-31 21:57:47,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 655 flow [2024-10-31 21:57:47,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:47,855 INFO L231 Difference]: Finished difference. Result has 284 places, 286 transitions, 595 flow [2024-10-31 21:57:47,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=595, PETRI_PLACES=284, PETRI_TRANSITIONS=286} [2024-10-31 21:57:47,856 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-10-31 21:57:47,856 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 286 transitions, 595 flow [2024-10-31 21:57:47,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:47,857 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:47,857 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:47,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 21:57:47,858 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:47,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:47,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1075872973, now seen corresponding path program 1 times [2024-10-31 21:57:47,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:47,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417426742] [2024-10-31 21:57:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:47,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:47,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417426742] [2024-10-31 21:57:47,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417426742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:47,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:47,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:47,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212659907] [2024-10-31 21:57:47,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:47,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:47,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:47,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:47,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:47,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-10-31 21:57:47,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 286 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:47,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:47,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-10-31 21:57:47,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:48,083 INFO L124 PetriNetUnfolderBase]: 73/842 cut-off events. [2024-10-31 21:57:48,084 INFO L125 PetriNetUnfolderBase]: For 16/42 co-relation queries the response was YES. [2024-10-31 21:57:48,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 842 events. 73/842 cut-off events. For 16/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4428 event pairs, 6 based on Foata normal form. 2/753 useless extension candidates. Maximal degree in co-relation 931. Up to 40 conditions per place. [2024-10-31 21:57:48,097 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-10-31 21:57:48,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 286 transitions, 625 flow [2024-10-31 21:57:48,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 21:57:48,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-10-31 21:57:48,100 INFO L175 Difference]: Start difference. First operand has 284 places, 286 transitions, 595 flow. Second operand 3 states and 964 transitions. [2024-10-31 21:57:48,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 286 transitions, 625 flow [2024-10-31 21:57:48,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 286 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:57:48,105 INFO L231 Difference]: Finished difference. Result has 284 places, 284 transitions, 597 flow [2024-10-31 21:57:48,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=597, PETRI_PLACES=284, PETRI_TRANSITIONS=284} [2024-10-31 21:57:48,107 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-10-31 21:57:48,107 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 284 transitions, 597 flow [2024-10-31 21:57:48,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:48,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:48,108 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:48,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 21:57:48,108 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:48,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:48,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2065179203, now seen corresponding path program 1 times [2024-10-31 21:57:48,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:48,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755589227] [2024-10-31 21:57:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:48,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:48,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:48,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755589227] [2024-10-31 21:57:48,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755589227] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:48,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:48,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:48,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350844551] [2024-10-31 21:57:48,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:48,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:48,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:48,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:48,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-10-31 21:57:48,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 284 transitions, 597 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:48,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:48,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-10-31 21:57:48,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:48,324 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][265], [Black: 368#true, 370#(= |#race~A~0| 0), 372#true, 244#L89true, 343#(= |#race~N~0| 0), 364#(= |#race~M~0| 0), 375#true]) [2024-10-31 21:57:48,324 INFO L294 olderBase$Statistics]: this new event has 245 ancestors and is cut-off event [2024-10-31 21:57:48,324 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-10-31 21:57:48,325 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-10-31 21:57:48,325 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-10-31 21:57:48,325 INFO L124 PetriNetUnfolderBase]: 65/761 cut-off events. [2024-10-31 21:57:48,325 INFO L125 PetriNetUnfolderBase]: For 8/46 co-relation queries the response was YES. [2024-10-31 21:57:48,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 761 events. 65/761 cut-off events. For 8/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3663 event pairs, 13 based on Foata normal form. 5/694 useless extension candidates. Maximal degree in co-relation 871. Up to 52 conditions per place. [2024-10-31 21:57:48,339 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-10-31 21:57:48,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 285 transitions, 631 flow [2024-10-31 21:57:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 21:57:48,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-10-31 21:57:48,342 INFO L175 Difference]: Start difference. First operand has 284 places, 284 transitions, 597 flow. Second operand 3 states and 964 transitions. [2024-10-31 21:57:48,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 285 transitions, 631 flow [2024-10-31 21:57:48,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:48,350 INFO L231 Difference]: Finished difference. Result has 283 places, 283 transitions, 593 flow [2024-10-31 21:57:48,351 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=283, PETRI_TRANSITIONS=283} [2024-10-31 21:57:48,351 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -28 predicate places. [2024-10-31 21:57:48,352 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 283 transitions, 593 flow [2024-10-31 21:57:48,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:48,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:48,353 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:48,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 21:57:48,354 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:48,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1128922688, now seen corresponding path program 1 times [2024-10-31 21:57:48,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:48,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106372983] [2024-10-31 21:57:48,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:48,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:48,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:48,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106372983] [2024-10-31 21:57:48,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106372983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:48,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:48,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 21:57:48,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046581537] [2024-10-31 21:57:48,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:48,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:57:48,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:48,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:57:48,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:57:48,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:57:48,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 283 transitions, 593 flow. Second operand has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:48,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:48,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:57:48,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:49,264 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][293], [378#true, Black: 368#true, 370#(= |#race~A~0| 0), 244#L89true, 343#(= |#race~N~0| 0), 375#true, 364#(= |#race~M~0| 0)]) [2024-10-31 21:57:49,265 INFO L294 olderBase$Statistics]: this new event has 260 ancestors and is cut-off event [2024-10-31 21:57:49,265 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-10-31 21:57:49,265 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2024-10-31 21:57:49,265 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-10-31 21:57:49,265 INFO L124 PetriNetUnfolderBase]: 95/1385 cut-off events. [2024-10-31 21:57:49,265 INFO L125 PetriNetUnfolderBase]: For 11/40 co-relation queries the response was YES. [2024-10-31 21:57:49,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 1385 events. 95/1385 cut-off events. For 11/40 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8646 event pairs, 18 based on Foata normal form. 4/1259 useless extension candidates. Maximal degree in co-relation 1560. Up to 67 conditions per place. [2024-10-31 21:57:49,286 INFO L140 encePairwiseOnDemand]: 326/339 looper letters, 22 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2024-10-31 21:57:49,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 298 transitions, 703 flow [2024-10-31 21:57:49,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:57:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 21:57:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3127 transitions. [2024-10-31 21:57:49,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224188790560472 [2024-10-31 21:57:49,292 INFO L175 Difference]: Start difference. First operand has 283 places, 283 transitions, 593 flow. Second operand 10 states and 3127 transitions. [2024-10-31 21:57:49,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 298 transitions, 703 flow [2024-10-31 21:57:49,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 298 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:49,298 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 655 flow [2024-10-31 21:57:49,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=655, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-10-31 21:57:49,300 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-10-31 21:57:49,300 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 655 flow [2024-10-31 21:57:49,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:49,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:49,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:49,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 21:57:49,302 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:49,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:49,302 INFO L85 PathProgramCache]: Analyzing trace with hash 298348699, now seen corresponding path program 1 times [2024-10-31 21:57:49,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:49,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462076452] [2024-10-31 21:57:49,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:49,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:49,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462076452] [2024-10-31 21:57:49,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462076452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:49,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:49,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:49,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200942922] [2024-10-31 21:57:49,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:49,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:49,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:49,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:49,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:49,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-10-31 21:57:49,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:49,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:49,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-10-31 21:57:49,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:49,689 INFO L124 PetriNetUnfolderBase]: 145/1650 cut-off events. [2024-10-31 21:57:49,689 INFO L125 PetriNetUnfolderBase]: For 53/108 co-relation queries the response was YES. [2024-10-31 21:57:49,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1959 conditions, 1650 events. 145/1650 cut-off events. For 53/108 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10800 event pairs, 29 based on Foata normal form. 0/1496 useless extension candidates. Maximal degree in co-relation 1913. Up to 120 conditions per place. [2024-10-31 21:57:49,716 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-10-31 21:57:49,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 291 transitions, 689 flow [2024-10-31 21:57:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 21:57:49,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-10-31 21:57:49,719 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 655 flow. Second operand 3 states and 964 transitions. [2024-10-31 21:57:49,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 291 transitions, 689 flow [2024-10-31 21:57:49,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 291 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:49,725 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 653 flow [2024-10-31 21:57:49,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-10-31 21:57:49,726 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-10-31 21:57:49,727 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 653 flow [2024-10-31 21:57:49,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:49,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:49,728 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:49,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 21:57:49,728 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:49,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1856901994, now seen corresponding path program 1 times [2024-10-31 21:57:49,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129630047] [2024-10-31 21:57:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:49,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:49,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:49,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129630047] [2024-10-31 21:57:49,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129630047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:49,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:49,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:49,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878645116] [2024-10-31 21:57:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:49,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:49,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:49,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:49,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:49,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-10-31 21:57:49,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:49,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:49,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-10-31 21:57:49,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:49,998 INFO L124 PetriNetUnfolderBase]: 119/1101 cut-off events. [2024-10-31 21:57:49,999 INFO L125 PetriNetUnfolderBase]: For 58/89 co-relation queries the response was YES. [2024-10-31 21:57:50,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 1101 events. 119/1101 cut-off events. For 58/89 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6223 event pairs, 11 based on Foata normal form. 4/1005 useless extension candidates. Maximal degree in co-relation 1306. Up to 79 conditions per place. [2024-10-31 21:57:50,011 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 9 selfloop transitions, 2 changer transitions 8/289 dead transitions. [2024-10-31 21:57:50,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 289 transitions, 681 flow [2024-10-31 21:57:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-10-31 21:57:50,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9469026548672567 [2024-10-31 21:57:50,014 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 653 flow. Second operand 3 states and 963 transitions. [2024-10-31 21:57:50,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 289 transitions, 681 flow [2024-10-31 21:57:50,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 289 transitions, 677 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:50,020 INFO L231 Difference]: Finished difference. Result has 292 places, 279 transitions, 632 flow [2024-10-31 21:57:50,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=292, PETRI_TRANSITIONS=279} [2024-10-31 21:57:50,021 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -19 predicate places. [2024-10-31 21:57:50,021 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 279 transitions, 632 flow [2024-10-31 21:57:50,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:50,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:50,025 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:50,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 21:57:50,025 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:50,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash -280137186, now seen corresponding path program 1 times [2024-10-31 21:57:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:50,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355138586] [2024-10-31 21:57:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:50,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:50,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355138586] [2024-10-31 21:57:50,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355138586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:50,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:50,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:50,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28888016] [2024-10-31 21:57:50,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:50,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:57:50,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:50,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:57:50,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:57:50,237 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-10-31 21:57:50,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 279 transitions, 632 flow. Second operand has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:50,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:50,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-10-31 21:57:50,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:50,615 INFO L124 PetriNetUnfolderBase]: 133/1669 cut-off events. [2024-10-31 21:57:50,615 INFO L125 PetriNetUnfolderBase]: For 60/70 co-relation queries the response was YES. [2024-10-31 21:57:50,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 1669 events. 133/1669 cut-off events. For 60/70 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 11162 event pairs, 40 based on Foata normal form. 8/1543 useless extension candidates. Maximal degree in co-relation 1968. Up to 114 conditions per place. [2024-10-31 21:57:50,642 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 22 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-10-31 21:57:50,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 713 flow [2024-10-31 21:57:50,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:57:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 21:57:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1583 transitions. [2024-10-31 21:57:50,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9339233038348083 [2024-10-31 21:57:50,646 INFO L175 Difference]: Start difference. First operand has 292 places, 279 transitions, 632 flow. Second operand 5 states and 1583 transitions. [2024-10-31 21:57:50,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 713 flow [2024-10-31 21:57:50,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 709 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:50,652 INFO L231 Difference]: Finished difference. Result has 288 places, 281 transitions, 653 flow [2024-10-31 21:57:50,653 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=653, PETRI_PLACES=288, PETRI_TRANSITIONS=281} [2024-10-31 21:57:50,653 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -23 predicate places. [2024-10-31 21:57:50,653 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 281 transitions, 653 flow [2024-10-31 21:57:50,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:50,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:50,654 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:50,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 21:57:50,655 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:50,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:50,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1546674034, now seen corresponding path program 1 times [2024-10-31 21:57:50,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:50,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418742752] [2024-10-31 21:57:50,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:50,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:50,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418742752] [2024-10-31 21:57:50,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418742752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:50,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:50,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:50,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720563272] [2024-10-31 21:57:50,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:50,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:50,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:50,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:50,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:50,726 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-10-31 21:57:50,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 281 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:50,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:50,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-10-31 21:57:50,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:51,081 INFO L124 PetriNetUnfolderBase]: 233/1746 cut-off events. [2024-10-31 21:57:51,082 INFO L125 PetriNetUnfolderBase]: For 147/218 co-relation queries the response was YES. [2024-10-31 21:57:51,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2243 conditions, 1746 events. 233/1746 cut-off events. For 147/218 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12167 event pairs, 56 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 2196. Up to 235 conditions per place. [2024-10-31 21:57:51,107 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-10-31 21:57:51,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 282 transitions, 683 flow [2024-10-31 21:57:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-10-31 21:57:51,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-10-31 21:57:51,110 INFO L175 Difference]: Start difference. First operand has 288 places, 281 transitions, 653 flow. Second operand 3 states and 962 transitions. [2024-10-31 21:57:51,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 282 transitions, 683 flow [2024-10-31 21:57:51,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 282 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:51,116 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 650 flow [2024-10-31 21:57:51,116 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2024-10-31 21:57:51,117 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -24 predicate places. [2024-10-31 21:57:51,117 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 650 flow [2024-10-31 21:57:51,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:51,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:51,118 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:51,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 21:57:51,118 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:51,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:51,118 INFO L85 PathProgramCache]: Analyzing trace with hash -218885246, now seen corresponding path program 1 times [2024-10-31 21:57:51,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:51,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933384934] [2024-10-31 21:57:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:51,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:51,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933384934] [2024-10-31 21:57:51,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933384934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:51,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:51,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160083381] [2024-10-31 21:57:51,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:51,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:51,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:51,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:51,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:52,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:57:52,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:52,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:52,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:57:52,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:52,666 INFO L124 PetriNetUnfolderBase]: 151/1753 cut-off events. [2024-10-31 21:57:52,666 INFO L125 PetriNetUnfolderBase]: For 141/150 co-relation queries the response was YES. [2024-10-31 21:57:52,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 1753 events. 151/1753 cut-off events. For 141/150 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11812 event pairs, 37 based on Foata normal form. 0/1636 useless extension candidates. Maximal degree in co-relation 2170. Up to 142 conditions per place. [2024-10-31 21:57:52,700 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-10-31 21:57:52,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 288 transitions, 734 flow [2024-10-31 21:57:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:57:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 21:57:52,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-10-31 21:57:52,706 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 650 flow. Second operand 6 states and 1883 transitions. [2024-10-31 21:57:52,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 288 transitions, 734 flow [2024-10-31 21:57:52,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:52,714 INFO L231 Difference]: Finished difference. Result has 290 places, 280 transitions, 660 flow [2024-10-31 21:57:52,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=290, PETRI_TRANSITIONS=280} [2024-10-31 21:57:52,715 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-10-31 21:57:52,716 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 280 transitions, 660 flow [2024-10-31 21:57:52,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:52,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:52,717 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:52,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 21:57:52,717 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:52,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:52,718 INFO L85 PathProgramCache]: Analyzing trace with hash -738393419, now seen corresponding path program 1 times [2024-10-31 21:57:52,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:52,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655319323] [2024-10-31 21:57:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:52,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:53,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:53,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655319323] [2024-10-31 21:57:53,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655319323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:53,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:53,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948281935] [2024-10-31 21:57:53,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:53,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:53,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:53,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:53,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:53,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:57:53,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 280 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:53,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:53,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:57:53,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:54,314 INFO L124 PetriNetUnfolderBase]: 232/1738 cut-off events. [2024-10-31 21:57:54,314 INFO L125 PetriNetUnfolderBase]: For 147/268 co-relation queries the response was YES. [2024-10-31 21:57:54,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 1738 events. 232/1738 cut-off events. For 147/268 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12186 event pairs, 52 based on Foata normal form. 4/1628 useless extension candidates. Maximal degree in co-relation 2227. Up to 219 conditions per place. [2024-10-31 21:57:54,341 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-10-31 21:57:54,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 288 transitions, 740 flow [2024-10-31 21:57:54,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:57:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 21:57:54,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-10-31 21:57:54,346 INFO L175 Difference]: Start difference. First operand has 290 places, 280 transitions, 660 flow. Second operand 6 states and 1883 transitions. [2024-10-31 21:57:54,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 288 transitions, 740 flow [2024-10-31 21:57:54,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 732 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:57:54,351 INFO L231 Difference]: Finished difference. Result has 291 places, 280 transitions, 666 flow [2024-10-31 21:57:54,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=666, PETRI_PLACES=291, PETRI_TRANSITIONS=280} [2024-10-31 21:57:54,352 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -20 predicate places. [2024-10-31 21:57:54,352 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 280 transitions, 666 flow [2024-10-31 21:57:54,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:54,354 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:54,354 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:54,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 21:57:54,354 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:54,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1502202117, now seen corresponding path program 1 times [2024-10-31 21:57:54,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:54,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62566555] [2024-10-31 21:57:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:54,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:54,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:54,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62566555] [2024-10-31 21:57:54,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62566555] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:57:54,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538708975] [2024-10-31 21:57:54,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:54,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:54,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:54,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:57:54,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:57:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:54,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:57:54,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:55,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:57:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:55,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538708975] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:57:55,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:57:55,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-10-31 21:57:55,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302418547] [2024-10-31 21:57:55,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:57:55,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-31 21:57:55,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-31 21:57:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-10-31 21:57:56,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-10-31 21:57:56,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 280 transitions, 666 flow. Second operand has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:56,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:56,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-10-31 21:57:56,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:57,208 INFO L124 PetriNetUnfolderBase]: 208/3310 cut-off events. [2024-10-31 21:57:57,208 INFO L125 PetriNetUnfolderBase]: For 94/118 co-relation queries the response was YES. [2024-10-31 21:57:57,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4128 conditions, 3310 events. 208/3310 cut-off events. For 94/118 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 28074 event pairs, 35 based on Foata normal form. 9/3136 useless extension candidates. Maximal degree in co-relation 4077. Up to 108 conditions per place. [2024-10-31 21:57:57,259 INFO L140 encePairwiseOnDemand]: 322/339 looper letters, 26 selfloop transitions, 27 changer transitions 0/302 dead transitions. [2024-10-31 21:57:57,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 838 flow [2024-10-31 21:57:57,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-31 21:57:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-10-31 21:57:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4930 transitions. [2024-10-31 21:57:57,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9089233038348082 [2024-10-31 21:57:57,270 INFO L175 Difference]: Start difference. First operand has 291 places, 280 transitions, 666 flow. Second operand 16 states and 4930 transitions. [2024-10-31 21:57:57,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 838 flow [2024-10-31 21:57:57,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 830 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:57:57,278 INFO L231 Difference]: Finished difference. Result has 310 places, 291 transitions, 797 flow [2024-10-31 21:57:57,279 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=797, PETRI_PLACES=310, PETRI_TRANSITIONS=291} [2024-10-31 21:57:57,279 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -1 predicate places. [2024-10-31 21:57:57,279 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 291 transitions, 797 flow [2024-10-31 21:57:57,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:57,282 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:57,282 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:57,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:57,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:57,483 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash -636323606, now seen corresponding path program 1 times [2024-10-31 21:57:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012147800] [2024-10-31 21:57:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:58,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:58,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012147800] [2024-10-31 21:57:58,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012147800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:58,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:58,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:58,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779935955] [2024-10-31 21:57:58,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:58,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:58,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:58,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:58,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:58,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:57:58,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 291 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:58,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:58,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:57:58,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:59,168 INFO L124 PetriNetUnfolderBase]: 198/2471 cut-off events. [2024-10-31 21:57:59,169 INFO L125 PetriNetUnfolderBase]: For 285/294 co-relation queries the response was YES. [2024-10-31 21:57:59,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 2471 events. 198/2471 cut-off events. For 285/294 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18739 event pairs, 51 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 3195. Up to 196 conditions per place. [2024-10-31 21:57:59,201 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-10-31 21:57:59,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 298 transitions, 879 flow [2024-10-31 21:57:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:57:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 21:57:59,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-10-31 21:57:59,206 INFO L175 Difference]: Start difference. First operand has 310 places, 291 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-10-31 21:57:59,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 298 transitions, 879 flow [2024-10-31 21:57:59,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 298 transitions, 862 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:59,214 INFO L231 Difference]: Finished difference. Result has 312 places, 290 transitions, 788 flow [2024-10-31 21:57:59,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=312, PETRI_TRANSITIONS=290} [2024-10-31 21:57:59,215 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, 1 predicate places. [2024-10-31 21:57:59,216 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 290 transitions, 788 flow [2024-10-31 21:57:59,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:59,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:59,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:59,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 21:57:59,218 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:57:59,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1931194269, now seen corresponding path program 1 times [2024-10-31 21:57:59,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:59,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298188565] [2024-10-31 21:57:59,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:59,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:59,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:59,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298188565] [2024-10-31 21:57:59,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298188565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:59,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:59,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:59,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107041211] [2024-10-31 21:57:59,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:59,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:59,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:59,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:59,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:00,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:58:00,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 290 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:00,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:00,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:58:00,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:00,631 INFO L124 PetriNetUnfolderBase]: 310/2227 cut-off events. [2024-10-31 21:58:00,631 INFO L125 PetriNetUnfolderBase]: For 335/504 co-relation queries the response was YES. [2024-10-31 21:58:00,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 2227 events. 310/2227 cut-off events. For 335/504 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 16454 event pairs, 75 based on Foata normal form. 20/2123 useless extension candidates. Maximal degree in co-relation 3081. Up to 307 conditions per place. [2024-10-31 21:58:00,651 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 13/297 dead transitions. [2024-10-31 21:58:00,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 297 transitions, 866 flow [2024-10-31 21:58:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:58:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 21:58:00,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-10-31 21:58:00,656 INFO L175 Difference]: Start difference. First operand has 312 places, 290 transitions, 788 flow. Second operand 6 states and 1883 transitions. [2024-10-31 21:58:00,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 297 transitions, 866 flow [2024-10-31 21:58:00,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 297 transitions, 854 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-10-31 21:58:00,663 INFO L231 Difference]: Finished difference. Result has 311 places, 276 transitions, 694 flow [2024-10-31 21:58:00,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=694, PETRI_PLACES=311, PETRI_TRANSITIONS=276} [2024-10-31 21:58:00,664 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, 0 predicate places. [2024-10-31 21:58:00,664 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 276 transitions, 694 flow [2024-10-31 21:58:00,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:00,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:00,666 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:00,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 21:58:00,666 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:58:00,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:00,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1277161248, now seen corresponding path program 2 times [2024-10-31 21:58:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861548020] [2024-10-31 21:58:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:00,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 21:58:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:01,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861548020] [2024-10-31 21:58:01,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861548020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:01,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:01,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:01,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233380205] [2024-10-31 21:58:01,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:01,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:01,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:01,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:01,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:01,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:58:01,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 276 transitions, 694 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:01,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:01,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:58:01,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:01,850 INFO L124 PetriNetUnfolderBase]: 96/1255 cut-off events. [2024-10-31 21:58:01,851 INFO L125 PetriNetUnfolderBase]: For 40/64 co-relation queries the response was YES. [2024-10-31 21:58:01,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1255 events. 96/1255 cut-off events. For 40/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7426 event pairs, 21 based on Foata normal form. 8/1214 useless extension candidates. Maximal degree in co-relation 1656. Up to 88 conditions per place. [2024-10-31 21:58:01,865 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/284 dead transitions. [2024-10-31 21:58:01,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 284 transitions, 774 flow [2024-10-31 21:58:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:58:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 21:58:01,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-10-31 21:58:01,868 INFO L175 Difference]: Start difference. First operand has 311 places, 276 transitions, 694 flow. Second operand 6 states and 1883 transitions. [2024-10-31 21:58:01,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 284 transitions, 774 flow [2024-10-31 21:58:01,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 722 flow, removed 4 selfloop flow, removed 18 redundant places. [2024-10-31 21:58:01,875 INFO L231 Difference]: Finished difference. Result has 290 places, 276 transitions, 656 flow [2024-10-31 21:58:01,876 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=656, PETRI_PLACES=290, PETRI_TRANSITIONS=276} [2024-10-31 21:58:01,876 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-10-31 21:58:01,876 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 276 transitions, 656 flow [2024-10-31 21:58:01,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:01,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:01,878 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:01,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 21:58:01,878 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 21:58:01,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:01,879 INFO L85 PathProgramCache]: Analyzing trace with hash -296542840, now seen corresponding path program 1 times [2024-10-31 21:58:01,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:01,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827404889] [2024-10-31 21:58:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:01,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 21:58:02,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:02,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827404889] [2024-10-31 21:58:02,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827404889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:02,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:02,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:02,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402005953] [2024-10-31 21:58:02,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:02,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:02,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:02,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:02,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:02,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-10-31 21:58:02,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 276 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:02,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:02,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-10-31 21:58:02,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:03,263 INFO L124 PetriNetUnfolderBase]: 96/1249 cut-off events. [2024-10-31 21:58:03,263 INFO L125 PetriNetUnfolderBase]: For 33/57 co-relation queries the response was YES. [2024-10-31 21:58:03,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 1249 events. 96/1249 cut-off events. For 33/57 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7346 event pairs, 21 based on Foata normal form. 8/1202 useless extension candidates. Maximal degree in co-relation 1603. Up to 88 conditions per place. [2024-10-31 21:58:03,270 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 0 selfloop transitions, 0 changer transitions 283/283 dead transitions. [2024-10-31 21:58:03,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 283 transitions, 734 flow [2024-10-31 21:58:03,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:58:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 21:58:03,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-10-31 21:58:03,275 INFO L175 Difference]: Start difference. First operand has 290 places, 276 transitions, 656 flow. Second operand 6 states and 1883 transitions. [2024-10-31 21:58:03,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 283 transitions, 734 flow [2024-10-31 21:58:03,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 283 transitions, 726 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:58:03,281 INFO L231 Difference]: Finished difference. Result has 290 places, 0 transitions, 0 flow [2024-10-31 21:58:03,282 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=290, PETRI_TRANSITIONS=0} [2024-10-31 21:58:03,282 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-10-31 21:58:03,282 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 0 transitions, 0 flow [2024-10-31 21:58:03,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:03,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2024-10-31 21:58:03,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-10-31 21:58:03,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-10-31 21:58:03,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-10-31 21:58:03,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-10-31 21:58:03,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-10-31 21:58:03,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-10-31 21:58:03,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-10-31 21:58:03,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-10-31 21:58:03,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-10-31 21:58:03,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-10-31 21:58:03,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-10-31 21:58:03,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-10-31 21:58:03,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-10-31 21:58:03,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-10-31 21:58:03,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-10-31 21:58:03,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-10-31 21:58:03,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-10-31 21:58:03,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-10-31 21:58:03,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-10-31 21:58:03,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-10-31 21:58:03,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-10-31 21:58:03,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-10-31 21:58:03,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-10-31 21:58:03,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-10-31 21:58:03,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-10-31 21:58:03,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-10-31 21:58:03,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-10-31 21:58:03,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-10-31 21:58:03,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-10-31 21:58:03,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-10-31 21:58:03,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-10-31 21:58:03,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-10-31 21:58:03,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-10-31 21:58:03,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-10-31 21:58:03,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-10-31 21:58:03,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-10-31 21:58:03,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-10-31 21:58:03,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 61 remaining) [2024-10-31 21:58:03,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-10-31 21:58:03,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-10-31 21:58:03,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-10-31 21:58:03,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-10-31 21:58:03,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-10-31 21:58:03,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-10-31 21:58:03,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-10-31 21:58:03,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-10-31 21:58:03,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-10-31 21:58:03,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-10-31 21:58:03,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-10-31 21:58:03,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-10-31 21:58:03,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-10-31 21:58:03,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-10-31 21:58:03,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-10-31 21:58:03,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-10-31 21:58:03,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-10-31 21:58:03,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-10-31 21:58:03,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-10-31 21:58:03,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-10-31 21:58:03,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-10-31 21:58:03,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-10-31 21:58:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-31 21:58:03,305 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:03,312 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:58:03,313 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:58:03,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:58:03 BasicIcfg [2024-10-31 21:58:03,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:58:03,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:58:03,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:58:03,321 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:58:03,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:40" (3/4) ... [2024-10-31 21:58:03,324 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:58:03,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 21:58:03,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 21:58:03,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-31 21:58:03,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-31 21:58:03,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 21:58:03,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:58:03,339 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:58:03,445 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:58:03,446 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:58:03,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:58:03,449 INFO L158 Benchmark]: Toolchain (without parser) took 24386.80ms. Allocated memory was 127.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 88.5MB in the beginning and 1.1GB in the end (delta: -973.1MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,449 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:03,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.00ms. Allocated memory is still 127.9MB. Free memory was 88.5MB in the beginning and 73.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,450 INFO L158 Benchmark]: Boogie Preprocessor took 53.38ms. Allocated memory is still 127.9MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,451 INFO L158 Benchmark]: RCFGBuilder took 926.55ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 137.8MB in the end (delta: -68.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,451 INFO L158 Benchmark]: TraceAbstraction took 22794.38ms. Allocated memory was 174.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 136.9MB in the beginning and 1.1GB in the end (delta: -931.0MB). Peak memory consumption was 695.8MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,452 INFO L158 Benchmark]: Witness Printer took 127.54ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:58:03,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.00ms. Allocated memory is still 127.9MB. Free memory was 88.5MB in the beginning and 73.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.38ms. Allocated memory is still 127.9MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 926.55ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 137.8MB in the end (delta: -68.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 22794.38ms. Allocated memory was 174.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 136.9MB in the beginning and 1.1GB in the end (delta: -931.0MB). Peak memory consumption was 695.8MB. Max. memory is 16.1GB. * Witness Printer took 127.54ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 473 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 22.6s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2585 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1575 mSDsluCounter, 1421 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1211 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4285 IncrementalHoareTripleChecker+Invalid, 4872 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 210 mSDtfsCounter, 4285 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=797occurred in iteration=21, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2631 NumberOfCodeBlocks, 2631 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2733 ConstructedInterpolants, 0 QuantifiedInterpolants, 4644 SizeOfPredicates, 7 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 27 InterpolantComputations, 24 PerfectInterpolantSequences, 34/37 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 21:58:03,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba335ea-07de-402e-9020-1c4e2a1575a0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE